Safe Haskell | Safe |
---|---|
Language | Haskell2010 |
Synopsis
- type MonthOfYear = Int
- type DayOfMonth = Int
- type DayOfYear = Int
- monthAndDayToDayOfYear :: Bool -> MonthOfYear -> DayOfMonth -> DayOfYear
- monthAndDayToDayOfYearValid :: Bool -> MonthOfYear -> DayOfMonth -> Maybe DayOfYear
- dayOfYearToMonthAndDay :: Bool -> DayOfYear -> (MonthOfYear, DayOfMonth)
- monthLength :: Bool -> MonthOfYear -> DayOfMonth
Documentation
type MonthOfYear = Int Source #
Month of year, in range 1 (January) to 12 (December).
type DayOfMonth = Int Source #
Day of month, in range 1 to 31.
Day of year, in range 1 (January 1st) to 366. December 31st is 365 in a common year, 366 in a leap year.
monthAndDayToDayOfYear :: Bool -> MonthOfYear -> DayOfMonth -> DayOfYear Source #
Convert month and day in the Gregorian or Julian calendars to day of year. First arg is leap year flag.
monthAndDayToDayOfYearValid :: Bool -> MonthOfYear -> DayOfMonth -> Maybe DayOfYear Source #
Convert month and day in the Gregorian or Julian calendars to day of year. First arg is leap year flag.
dayOfYearToMonthAndDay :: Bool -> DayOfYear -> (MonthOfYear, DayOfMonth) Source #
Convert day of year in the Gregorian or Julian calendars to month and day. First arg is leap year flag.
monthLength :: Bool -> MonthOfYear -> DayOfMonth Source #
The length of a given month in the Gregorian or Julian calendars. First arg is leap year flag.